Sad Shroom

I have had this mushroom for about 2 weeks and it looks like its not happy. The rock was about covered when I bought it and it looks like some of the shrooms are becoming detached. Is this normal for acclimating to a new tank? My crabs are spending alot of time near them, but I think they're just cleaning up. For lights I have a 36" coralife with 96 watt 10K and 96 watt actinic. They may need new bulbs. Any ideas?
 
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